The Valve,check, cataloged under National Stock Number 4820-00-717-3718, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-717-3718 |
| Primary Part Number | 21136-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | CANCELLED |
| Maximum Operating Temp | 260.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Disk Loading Method | SPRING |
| Thread Series Designator | ANPT SECOND END |
| Surface Treatment | ANODIZE |
| Flow Control Device | BALL |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | ALUMINUM ALLOY BODY |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Style Designator | STRAIGHT THRU |
| Thread Quantity Per Inch | 27 SECOND END |
| Media for Which Designed | OXYGEN, LIQUID SINGLE RESPONSE |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Pipe Size Accommodated | 0.125 INCHES SECOND END IN |
| Renewable Seat Ring Type | THREADED |
| Thread Class | 3A FIRST END A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21136-2 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| 7-158-6 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 21136 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 21136-2 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| 900574 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 4820-00-717-3718 is a Valve,check, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-717-3718 has 6 cross-referenced part numbers: 21136-2 (Ingersoll-Rand Company Dba Ingersoll-Rand), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 7-158-6 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 21136 (Ingersoll-Rand Company Dba Ingersoll-Rand), 21136-2 (Mission Systems Orchard Park Inc) and 1 more.
There are 12 known substitutes for 4820-00-717-3718: 5305-00-275-9838, 8010-00-297-0587, 5841-00-338-8547 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21136-2: Maximum Operating Temp: 260.0 FAHRENHEIT SINGLE RESPONSE DEGF; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END; Thread Quantity Per Inch: 20 FIRST END. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-717-3718 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.